/// <summary>
/// Create a height map that is a copy of another heightmap
/// </summary>
/// <param name="source">Source heightmap</param>
public Heightmap(Heightmap source)
{
Reset();
m_widthX = source.m_widthX;
m_depthZ = source.m_depthZ;
m_widthInvX = 1f / (float)(m_widthX);
m_depthInvZ = 1f / (float)(m_depthZ);
m_heights = new float[m_widthX, m_depthZ];
m_isPowerOf2 = source.m_isPowerOf2;
m_metaData = new byte[source.m_metaData.Length];
for (int idx = 0; idx < source.m_metaData.Length; idx++)
{
m_metaData[idx] = source.m_metaData[idx];
}
for (int x = 0; x < m_widthX; x++)
{
for (int z = 0; z < m_depthZ; z++)
{
m_heights[x, z] = source.m_heights[x, z];
}
}
m_isDirty = false;
}
/// <summary>
/// Return a new heightmap where each point at contains the slopes of this heightmap at that point
/// </summary>
/// <returns></returns>
public Heightmap GetSlopeMap()
{
Heightmap slopeMap = new Heightmap(this);
for (int x = 0; x < m_widthX; x++)
{
for (int z = 0; z < m_depthZ; z++)
{
slopeMap[x, z] = GetSlope(x, z);
}
}
return(slopeMap);
}
